CC1=C[C@@H]2/C=C/C[C@H](C)CCC[C@@H](O)/C=C/C(=O)O[C@]23C(=O)N[C@@H](Cc2ccc(O)c(I)c2)[C@@H]3[C@@H]1C 3'-iodo-4'-hydroxycytochalasin T